Code to check caps lock on (or) off while creating password in user login

put this function in javascript-----

function capLock(e){

kc = e.keyCode?e.keyCode:e.which;
sk = e.shiftKey?e.shiftKey:((kc == 16)?true:false);

if((kc >= 65 && kc <= 90)||((kc >= 97 && kc <= 122) && sk))

document.getElementById('divMayus').style.visibility = 'visible';
else
document.getElementById('divMayus').style.visibility = 'hidden';
}





place these lines in form tag.--------

asp:textbox id="txt_pwd" onkeypress="capLock(event)" runat="server" style="color: black;width: 110px;text-align: left;height: 20px;" TextMode="Password" MaxLength="7"/asp:textbox


div id="divMayus" style="visibility:hidden;color:Red;height:10px;width:100px;background-color:#ffffcc;"Caps Lock is on./div